Following the crash of ESX, more boot OS

By | February 21, 2012

ESX Server may not want to load its operating system if it was abruptly stopped or has crashed. It usually returns the following error message:

“Kernel Panic: VFS unable to mount :: root fs on 0:00”

To correct this problem, please follow the following procedure:

For ESX 3.x

  • Restart the server
  • Select “Console-mode service troubleshooting” The GRUB boot
  • Connect with the user account root
  • Enter the command ” esxcfg-boot-p” To update the PCI settings
  • Enter the command ” esxcfg-boot-b” To update the startup parameters
  • Enter the command ” esxcfg-boot-r” To update the boot files
  • Restart the server with the command ” shutdown-r 0 »
  • Choose a classic start (default)

For ESX 4.x

  • Restart the server
  • Select “Troubleshooting User” The GRUB boot
  • Connect with the user account root
  • Enter the command “esxcfg-boot-b” To update the startup parameters
  • Restart the server with the command ” shutdown-r 0 »
  • Choose a classic start (default)

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